US5121808A - Adjustable gauge steering axle - Google Patents
Adjustable gauge steering axle Download PDFInfo
- Publication number
- US5121808A US5121808A US07/627,139 US62713990A US5121808A US 5121808 A US5121808 A US 5121808A US 62713990 A US62713990 A US 62713990A US 5121808 A US5121808 A US 5121808A
- Authority
- US
- United States
- Prior art keywords
- draw
- piston rod
- adjustable
- strut
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/003—Steerable axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1009—Dead axles, i.e. not transmitting torque adjustable for varying track operated manually
- B60B35/1018—Dead axles, i.e. not transmitting torque adjustable for varying track operated manually comprising a locking pin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1072—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements
- B60B35/109—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements the element is an axle part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/06—Tractors adapted for multi-purpose use
- B62D49/0678—Tractors of variable track width or wheel base
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
- B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
- B60G2206/111—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link of adjustable length
- B60G2206/1112—Manually, for alignment purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/22—Agricultural vehicles
- B60Y2200/221—Tractors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S180/00—Motor vehicles
- Y10S180/906—Adjustable axles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2142—Pitmans and connecting rods
- Y10T74/2151—Longitudinally adjustable
Definitions
- This invention relates to an adjustable gauge steering axle particularly intended for two-wheel drive agricultural tractors, being of a type which comprises an adjustable length beam and a steering control associated with said beam and including a double-acting, dual piston rod hydraulic cylinder with either piston rods active on a corresponding steering arm through a respective strut.
- This prior axle has a steering control which includes a double-acting, dual piston rod hydraulic cylinder, the two piston rods whereof, which juts out of the hydraulic cylinder body from opposed axial ends thereof, are each provided with a telescoping extension whereby they are connected to a respective one of the steering arms.
- Each steering arm is made, in turn, fast rotatively with a spindle carrying the wheel hub.
- the piston rods of the hydraulic cylinder in combination with their extensions, will behave, therefore, as a single, rigid straight bar which is adjustable telescopically to accommodate gauge changes and interconnects the steering arms.
- the hydraulic cylinder is swivel connected to the axle beam by means of a pivot having its axis parallel to the beam and of a swivel joint intervening between said pivot or kingpin and the cylinder body.
- the hydraulic cylinder will move, on operation of the steering system, toward and away from the axle beam and oscillate both about the kingpin and the swivel joint.
- This axle configuration has a major drawback in that it is high in volume requirements due to the positioning and shifting capability of the hydraulic cylinder. Such volume requirements are sometimes in conflict with the positioning of other components of an agricultural tractor, which makes the axle unsuited to fill specific demands for compactness.
- the cylinder could be brought nearer the axle beam, locating it at an offset location from the line of action of the steering arms; however, the axle allows for no gauge adjustment.
- the problem that underlies this invention is to provide an adjustable gauge steering axle whose construction and operation be apt to overcome the drawbacks affecting the prior art as mentioned above.
- an axle as indicated being characterized in that said struts are adjustable in length telescopically and linked to their respective piston rod through an intervening swivel joint.
- any flexural strain on the portion of the steering control made weaker for the desired telescopic adjustment can be removed and the portion loaded only axially by virtue of the swivel joints provided at both ends thereof.
- axle including a telescoping strut steering control is described in UK Patent No. 814277.
- that axle incorporates a steering control including a central crank arrangement instead of the hydraulic cylinder provided by this invention.
- Such a crank arrangement results in unacceptable space requirements, especially where tight steering angles are involved, and does not allow the steering control to be located close to the axle beam.
- FIG. 1 is a top plan view of an axle embodying this invention
- FIG. 2 is a perspective detail view of the axle shown in FIG. 1;
- FIG. 3 is a front elevation view of the axle shown in the previous drawing figures.
- FIG. 4 is a detail view, drawn to an enlarged scale, of the axle shown in the previous drawing figures.
- an adjustable gauge steering axle such as a front steering axle for two-wheel drive agricultural tractors, embodying this invention.
- the axle 1 comprises a beam 2 which includes a tubular crosspiece 2a carrying, at the center thereof, a hinge element 3 whereby the beam 2 can be attached swingingly to a tractor support.
- Each arm 4 fits drawably through each axial end of the crosspiece 2a.
- Each arm 4 carries a support 5 for a spindle 6 having an axis X at an angle from vertical and providing rotary support for a wheel hub 8.
- each spindle 6 Attached to each spindle 6 is a steering arm 7 for pivoting the spindle about the axis X during operation of the steering system.
- Steering is provided by a steering control, generally shown at 10.
- the steering control 10 comprises a hydraulic cylinder 11 of the double-acting, dual piston rod 12, 13 variety, wherein the piston rods are axially movable in sealed fashion by a piston slidable within a cylindrical housing 14.
- the housing 14 comprises a tubular body, closed at opposed axial ends by respective end caps 15 through which the piston rods 12, 13 are passed.
- the end caps 15 are also effective to affix the housing 14 rigidly to the tubular crosspiece 2a, thereby the cylinder 11 is both supported rigidly on said crosspiece, being set close against it to occupy the least overall volume, and protected by the beam 2 against possible shocks.
- Each piston rod 12, 13 is interconnected with its respective steering arm 7 through a corresponding strut 16. Between each strut 16 and the corresponding rod 12, 13 of the cylinder 11 is a ball-type swivel joint 18 of a conventional design.
- a similar ball joint 19 is provided to connect the strut 16 to corresponding steering arm 7.
- the swivel joints 18 are connected to the free end of their corresponding piston rods by a threaded fitting 18a operative to adjust the wheel hub 8 toe-in.
- the struts 16 are adjustable telescopically in length, and comprise a tubular sleeve 20 welded to a base 21 of the joint 18 and wherein first and second draw-outs 22, 23 fit telescopically.
- the end of the tubular sleeve 20 and of the first draw-out 22 facing the joint 19 can be clamped through the provision of two perforated ears 25 adapted to receive the shank of a screw 26.
- a plurality of notches, all indicated at 27, are formed on the first and second draw-outs 22, 23 which are distributed at pitch intervals and shaped to permit the screw 26 to be passed through the corresponding ears 25 only when one notch 27 becomes aligned to such ears.
- the pitch distance of the notches 27 on the second draw-out 23 is a sub-multiple (one half, the example shown) of the pitch distance of the notches on the first draw-out 22.
- the length adjustment of the struts 16 serves to adapt the steering control 10 to accommodate gauge changes of the beam 2.
- each arm 4 is provided with a plurality of through-going holes 30 set at pitch distances apart, and two pairs of through-going holes 32, 33 are formed in the tubular crosspiece 2a.
- the holes 32, 33 in each pair are a distance between centers which is equal to a submultiple (one half, in the example shown) of the pitch distance of the holes 30 in the arms 4 to enable adjustment of the axle 1 gauge by half-pitch increments.
- the screws 34 have a threaded shank and a cheese head 35, enlarged relatively to the shank, whereacross a key 36 is implanted.
- the head 35 can be received substantially fully within a coaxial socket 37, 38 with the corresponding hole 32, 33 and being formed in the opposite side of the crosspiece 2a.
- the sockets 37, 38 intersect each other partway on account of the small distance between the centers of the holes 32, 33.
- the key 36 is received in a cutout 39 in each socket 37, 38 to prevent the screw 34 from turning as a nut 34a, threaded onto its shank, is being tightened.
- the screws 34 are first taken out of the holes 30, 32 and 33. Concurrently therewith, the ear 25 holding screws are taken out.
- both the struts 16 and the axle beam 2 can be extended unrestrictedly.
- the desired extension is achieved by bringing the holes 30 into registry with either of the holes, 32 or 33, in the tubular crosspiece.
- the draw-outs 22 and 23 are then adjusted to suit.
- FIG. 4 Shown in FIG. 4 is a modified embodiment of the struts 16, generally designated by the reference numeral 40; like parts carry the same reference numerals as in the previous figures.
- the struts 40 are also interposed in use between the free end of the corresponding rod 12, 13 and the respective steering arm 7, being connected to said components by respective ball joints 18, 19.
- Said struts 40 comprise a tubular sleeve 41 having a free end carrying a strap 42 and an opposed end 43 threaded, which is received in threaded engagement in a threaded tang 44 of the joint 19.
- the amount of wheel hub 8 toe-in can be adjusted.
- the tang 44 is clamped down onto the sleeve 41, so as to lock it, by means of a screw 45.
- First and second draw-outs telescope into the sleeve 41 and can be pulled adjustably out thereof to have the strut 40 accommodate adjustments in the axle 1 gauge.
- the first draw-out 46 comprises a tubular element carrying, on its outskirt, a plurality of notches 48 distributed at pitch intervals and adapted to engage the shank of a screw 49 provided on the strap 42 to ensure locked engagement of the first draw-out 46 with the sleeve 41 on completion of the adjusting operation.
- the free end of the tubular element mounts a collar 50 carrying a set screw 51.
- the second draw-out 47 comprises a section of a round bar formed, at an axial end thereof, with a threaded seat for a threaded shank 52 fast with the ball 53 of the joint 18.
- the outskirt of said bar section is also formed with notches 54 at pitch intervals which are adapted to co-operate with the setscrew 51 to lock the first and second draw-outs 46, 47 to each other.
- the base 55 of the joint 18 is, in turn, fastened by threading in the free end of the corresponding rod 12, 13.
- the axle of this invention affords the primary advantage that it is at one time highly compact and appreciably easy to adjust in a progressive fashion on account of the struts and the beam being both adjustable at half-pitch increments. And yet, the overall construction of the axle is robust and reliable.
- An additional advantage of this invention is that an axle so constructed can afford effective protection for the steering control as a whole.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
- Vehicle Body Suspensions (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT04176789A IT1236484B (it) | 1989-12-15 | 1989-12-15 | Assale sterzante a carreggiata variabile |
IT41767A/89 | 1989-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5121808A true US5121808A (en) | 1992-06-16 |
Family
ID=11253459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/627,139 Expired - Lifetime US5121808A (en) | 1989-12-15 | 1990-12-13 | Adjustable gauge steering axle |
Country Status (7)
Country | Link |
---|---|
US (1) | US5121808A (de) |
EP (1) | EP0432519B1 (de) |
JP (1) | JPH04100781A (de) |
AT (1) | ATE120701T1 (de) |
BR (1) | BR9006371A (de) |
DE (1) | DE69018393T2 (de) |
IT (1) | IT1236484B (de) |
Cited By (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5281005A (en) * | 1992-07-31 | 1994-01-25 | Dana Corporation | Spindle retainer for axle housing |
US5282644A (en) * | 1992-12-23 | 1994-02-01 | Ag-Chem Equipment Company, Inc. | Hydraulically adjustable tie-rod for an agricultural vehicle with an adjustable axle |
US5299817A (en) * | 1992-06-09 | 1994-04-05 | Seth Chang | Adjustable mobile base |
US5326128A (en) * | 1991-09-09 | 1994-07-05 | Csn Manufacturing, Inc. | Variable-width torsion spring axle |
US5433461A (en) * | 1994-05-23 | 1995-07-18 | Chang; Wen-Chen | Structure of hand truck |
US5454583A (en) * | 1994-05-10 | 1995-10-03 | Ag-Chem Equipment Company, Inc. | Automatically adjusted rear axle track for agricultural vehicle with adjustable axles |
US5464243A (en) * | 1995-01-13 | 1995-11-07 | Deere & Company | Adjustable axle with shim structure |
US5489113A (en) * | 1994-03-30 | 1996-02-06 | Ag-Chem Equipment Company, Inc. | Vehicle with hydraulically adjustable tie rod |
US5522280A (en) * | 1993-12-23 | 1996-06-04 | United Technologies Motor Systems, Inc. | Connecting links for windshield wipers and method for fabricating the link |
WO1999054554A2 (en) * | 1998-04-17 | 1999-10-28 | Tract-A-Pillar Tractor Co., Inc. | Earth-based vehicle |
US6139045A (en) * | 1997-02-25 | 2000-10-31 | Land O' Lakes, Inc. | Wheel assembly having a mechanism to adjust the distance between the wheels |
US6199769B1 (en) | 2000-02-02 | 2001-03-13 | Equipment Technologies, Inc. | Apparatus and method for operating an adjustable-width axle assembly of a crop sprayer |
US6206125B1 (en) | 2000-02-02 | 2001-03-27 | Equipment Technologies, Inc. | Apparatus and method for locking an adjustable width axle assembly of a crop sprayer |
US6283238B1 (en) | 1999-01-27 | 2001-09-04 | Larry G. Royer | Motorized golf bag cart |
US6311798B1 (en) | 1999-11-19 | 2001-11-06 | Polaris Industries Inc. | Snowmobile with adjustable width front suspension |
US6386554B1 (en) | 2000-02-02 | 2002-05-14 | Equipment Technologies, Inc. | Apparatus and method for operating a hydraulic suspension system of a crop sprayer |
US6406043B1 (en) * | 1998-01-29 | 2002-06-18 | Charles Balmer | Suspension and steering system for a vehicle |
US6416136B1 (en) * | 2000-02-23 | 2002-07-09 | Fred P. Smith | Lightweight, adjustable-height, axle |
US6435527B1 (en) * | 1999-09-30 | 2002-08-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Mechanism for adjusting toe angle of wheel and steering apparatus |
US20030086756A1 (en) * | 2001-11-07 | 2003-05-08 | Trotter Jason K | Modular linkage system |
US6682152B2 (en) * | 2000-09-25 | 2004-01-27 | Freedom Designs Incorporated | Secure wheel locking system |
US20040099466A1 (en) * | 2002-09-13 | 2004-05-27 | Pierluigi Pertusi | Front axle of an agricultural tractor |
US20040178595A1 (en) * | 2003-03-14 | 2004-09-16 | Coggin Joseph R. | Wheel adjustment system for a go-kart |
US20040222610A1 (en) * | 2003-05-09 | 2004-11-11 | Mclaughlin Ronald J. | One end adjustable torque rod |
US20050087948A1 (en) * | 2003-10-22 | 2005-04-28 | Yakimishyn Kelly W. | Air suspension system for a vehicle |
US20050167937A1 (en) * | 2004-02-04 | 2005-08-04 | Gottschalk Michael J. | Multi-piece axle and suspension |
US7029072B1 (en) | 2002-03-11 | 2006-04-18 | Wirtgen America, Inc. | Modified rumble strip cutter |
US20100215449A1 (en) * | 2009-02-05 | 2010-08-26 | Kern Robert L | Drilling Apparatus |
US20110042916A1 (en) * | 2009-02-11 | 2011-02-24 | Ananthakrishna Anil | Monocoque structure of an electrically powered motorized vehicle |
US20110079977A1 (en) * | 2009-10-06 | 2011-04-07 | Geiger David W | Steering Cylinder Mounting Arrangement Used With A Length-Adjustable Axle |
US20110131761A1 (en) * | 2008-08-27 | 2011-06-09 | Glenn Campbell | Caster Wheel System |
EP2384907A1 (de) | 2010-05-05 | 2011-11-09 | Deere & Company | Lageranordnung für eine ausziehbare Achse |
EP2384909A1 (de) | 2010-05-05 | 2011-11-09 | Deere & Company | Ein ausziehbares Achselement für das Heck einer landwirtschaftlichen Erntemaschine |
EP2384908A1 (de) | 2010-05-05 | 2011-11-09 | Deere & Company | Ein ausziehbares Achselement für das Heck einer landwirtschaftlichen Erntemaschine |
CN102826120A (zh) * | 2012-09-12 | 2012-12-19 | 苏州工业园区驿力机车科技有限公司 | 一种汽车转向车轮的转向角修正装置 |
US8910732B1 (en) * | 2011-07-13 | 2014-12-16 | Link-Belt Construction Equipment Co., L.P., Lllp | Axle arrangement for mobile crane and related methods |
US20150174958A1 (en) * | 2013-12-20 | 2015-06-25 | Jc Bamford Excavators Limited | Support casing for a differential gear of an axle and track rod assembly |
US20150197273A1 (en) * | 2014-01-13 | 2015-07-16 | Honda Motor Co., Ltd. | Vehicle steering system |
US9156312B1 (en) * | 2014-04-29 | 2015-10-13 | Dromos Usa Inc. | Drive axle for an agricultural or industrial vehicle |
US20150291233A1 (en) * | 2014-04-09 | 2015-10-15 | Hagie Manufacturing Company | Variable tread width vehicle |
US9527536B1 (en) * | 2015-08-24 | 2016-12-27 | Deere & Company | Telescopic wheel hub |
CN106891993A (zh) * | 2017-03-14 | 2017-06-27 | 吉林大学 | 一种丘陵山地拖拉机四轮转向系统及转向控制方法 |
US9776677B2 (en) | 2016-02-10 | 2017-10-03 | Kelly W YAKIMISHYN | Lift axle suspension |
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US20170341682A1 (en) * | 2014-12-30 | 2017-11-30 | Xuzhou Heavy Machinery Co., Ltd. | Steering arm assembly, steering mechanism and multi-axle steering wheel type heavy duty vehicle |
US20170369097A1 (en) * | 2016-06-27 | 2017-12-28 | Kubota Corporation | Work vehicle axle device |
WO2018014198A1 (zh) * | 2016-07-19 | 2018-01-25 | 乐矣天 | 一种整体式转向节 |
WO2018039198A1 (en) * | 2016-08-22 | 2018-03-01 | Gvm, Inc. | Toe control for adjustable axle |
US9981503B2 (en) * | 2013-05-14 | 2018-05-29 | Cnh Industrial America Llc | Agricultural machine having wheels with adjustable camber angle |
US20180333987A1 (en) * | 2017-05-19 | 2018-11-22 | J.C. Bamford Excavators Limited | Working Machine |
US10556476B2 (en) | 2014-04-09 | 2020-02-11 | Hagie Manufacturing Company | Agricultural vehicle including ride height adjustable suspension |
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US20200163269A1 (en) * | 2018-11-28 | 2020-05-28 | Agco Corporation | Mounting assembly for a steerable wheel with variable track width |
US10710405B2 (en) * | 2017-12-07 | 2020-07-14 | Cnh Industrial America Llc | Telescoping axle insert with contoured inner end for an agricultural product applicator |
US20230028928A1 (en) * | 2021-07-23 | 2023-01-26 | Rivian Ip Holdings, Llc | Offset steering axis knuckle system |
US11649841B2 (en) | 2018-09-18 | 2023-05-16 | Federal-Mogul Motorparts Llc | Tie rod assembly union |
US20230331296A1 (en) * | 2022-01-12 | 2023-10-19 | Broncbuster Llc | Reinforcement splint for vehicle steering tie rod |
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US6267198B1 (en) * | 1999-12-23 | 2001-07-31 | New Holland North America, Inc. | Offset kingpin for a rear steering axle on an agricultural combine |
JP4604311B2 (ja) * | 2000-06-12 | 2011-01-05 | 井関農機株式会社 | トラクタの操向装置 |
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CN1153711C (zh) * | 2001-11-13 | 2004-06-16 | 刘宏新 | 自校正转向传动装置 |
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RU2489293C1 (ru) * | 2012-05-11 | 2013-08-10 | Николай Петрович Дядченко | Преобразуемое транспортирующее устройство |
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US1559368A (en) * | 1925-04-27 | 1925-10-27 | Texas La Crosse Company | Extension axle |
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US4350222A (en) * | 1980-03-24 | 1982-09-21 | Lutteke Martin T | Variable tread vehicle |
US4359123A (en) * | 1979-09-06 | 1982-11-16 | Allis-Chalmers Corporation | Adjustable power steering mechanism |
US4449600A (en) * | 1980-09-03 | 1984-05-22 | Coles Cranes Limited | Mobile cranes or aerial lift platforms |
US4589499A (en) * | 1984-07-30 | 1986-05-20 | Behrens Robert N | Horizontal drilling apparatus |
JPH0299404A (ja) * | 1988-10-05 | 1990-04-11 | Kubota Ltd | 車軸ケースの伸縮構造 |
US4986386A (en) * | 1988-10-18 | 1991-01-22 | Kubota Ltd. | Apparatus for adjusting the tread of steerable wheels of a vehicle |
Family Cites Families (2)
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1990
- 1990-11-19 EP EP90122058A patent/EP0432519B1/de not_active Expired - Lifetime
- 1990-11-19 AT AT90122058T patent/ATE120701T1/de not_active IP Right Cessation
- 1990-11-19 DE DE69018393T patent/DE69018393T2/de not_active Expired - Fee Related
- 1990-12-13 JP JP2410123A patent/JPH04100781A/ja active Pending
- 1990-12-13 US US07/627,139 patent/US5121808A/en not_active Expired - Lifetime
- 1990-12-14 BR BR909006371A patent/BR9006371A/pt not_active IP Right Cessation
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US5281005A (en) * | 1992-07-31 | 1994-01-25 | Dana Corporation | Spindle retainer for axle housing |
US5282644A (en) * | 1992-12-23 | 1994-02-01 | Ag-Chem Equipment Company, Inc. | Hydraulically adjustable tie-rod for an agricultural vehicle with an adjustable axle |
US5522280A (en) * | 1993-12-23 | 1996-06-04 | United Technologies Motor Systems, Inc. | Connecting links for windshield wipers and method for fabricating the link |
US5489113A (en) * | 1994-03-30 | 1996-02-06 | Ag-Chem Equipment Company, Inc. | Vehicle with hydraulically adjustable tie rod |
US5454583A (en) * | 1994-05-10 | 1995-10-03 | Ag-Chem Equipment Company, Inc. | Automatically adjusted rear axle track for agricultural vehicle with adjustable axles |
US5433461A (en) * | 1994-05-23 | 1995-07-18 | Chang; Wen-Chen | Structure of hand truck |
US5464243A (en) * | 1995-01-13 | 1995-11-07 | Deere & Company | Adjustable axle with shim structure |
US6139045A (en) * | 1997-02-25 | 2000-10-31 | Land O' Lakes, Inc. | Wheel assembly having a mechanism to adjust the distance between the wheels |
US6406043B1 (en) * | 1998-01-29 | 2002-06-18 | Charles Balmer | Suspension and steering system for a vehicle |
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US6283238B1 (en) | 1999-01-27 | 2001-09-04 | Larry G. Royer | Motorized golf bag cart |
US6435527B1 (en) * | 1999-09-30 | 2002-08-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Mechanism for adjusting toe angle of wheel and steering apparatus |
US6311798B1 (en) | 1999-11-19 | 2001-11-06 | Polaris Industries Inc. | Snowmobile with adjustable width front suspension |
US6199769B1 (en) | 2000-02-02 | 2001-03-13 | Equipment Technologies, Inc. | Apparatus and method for operating an adjustable-width axle assembly of a crop sprayer |
US6206125B1 (en) | 2000-02-02 | 2001-03-27 | Equipment Technologies, Inc. | Apparatus and method for locking an adjustable width axle assembly of a crop sprayer |
US6386554B1 (en) | 2000-02-02 | 2002-05-14 | Equipment Technologies, Inc. | Apparatus and method for operating a hydraulic suspension system of a crop sprayer |
US6416136B1 (en) * | 2000-02-23 | 2002-07-09 | Fred P. Smith | Lightweight, adjustable-height, axle |
US6758535B2 (en) | 2000-02-23 | 2004-07-06 | Fred P. Smith | Lightweight, adjustable-height, axle |
US6682152B2 (en) * | 2000-09-25 | 2004-01-27 | Freedom Designs Incorporated | Secure wheel locking system |
US20030086756A1 (en) * | 2001-11-07 | 2003-05-08 | Trotter Jason K | Modular linkage system |
US7029072B1 (en) | 2002-03-11 | 2006-04-18 | Wirtgen America, Inc. | Modified rumble strip cutter |
US6889790B2 (en) * | 2002-09-13 | 2005-05-10 | Cnh America Llc | Front axle of an agricultural tractor |
US20040099466A1 (en) * | 2002-09-13 | 2004-05-27 | Pierluigi Pertusi | Front axle of an agricultural tractor |
US20040178595A1 (en) * | 2003-03-14 | 2004-09-16 | Coggin Joseph R. | Wheel adjustment system for a go-kart |
US20040222610A1 (en) * | 2003-05-09 | 2004-11-11 | Mclaughlin Ronald J. | One end adjustable torque rod |
US6966567B2 (en) * | 2003-05-09 | 2005-11-22 | The Pullman Company | One end adjustable torque rod |
US20050087948A1 (en) * | 2003-10-22 | 2005-04-28 | Yakimishyn Kelly W. | Air suspension system for a vehicle |
US7303201B2 (en) | 2003-10-22 | 2007-12-04 | Yakimishyn Kelly W | Air suspension system for a vehicle |
US7510197B2 (en) | 2004-02-04 | 2009-03-31 | Gottschalk Michael J | Multi-piece axle and suspension |
US20050167937A1 (en) * | 2004-02-04 | 2005-08-04 | Gottschalk Michael J. | Multi-piece axle and suspension |
US20110131761A1 (en) * | 2008-08-27 | 2011-06-09 | Glenn Campbell | Caster Wheel System |
US8413295B2 (en) * | 2008-08-27 | 2013-04-09 | Glenn Campbell | Caster wheel system |
US20170165763A1 (en) * | 2009-02-05 | 2017-06-15 | Minnich Manufacturing Company, Inc. | Gang drill apparatus |
US9527140B2 (en) * | 2009-02-05 | 2016-12-27 | Minnich Manufacturing Company, Inc. | Drilling apparatus |
US20100215449A1 (en) * | 2009-02-05 | 2010-08-26 | Kern Robert L | Drilling Apparatus |
US20110042916A1 (en) * | 2009-02-11 | 2011-02-24 | Ananthakrishna Anil | Monocoque structure of an electrically powered motorized vehicle |
US20110079977A1 (en) * | 2009-10-06 | 2011-04-07 | Geiger David W | Steering Cylinder Mounting Arrangement Used With A Length-Adjustable Axle |
US8353377B2 (en) * | 2009-10-06 | 2013-01-15 | Deere & Company | Steering cylinder mounting arrangement used with a length-adjustable axle |
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US20110274378A1 (en) * | 2010-05-05 | 2011-11-10 | Ryan Patrick Mackin | Bearing Arrangement For A Telescopic Axle |
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US20110272905A1 (en) * | 2010-05-05 | 2011-11-10 | Ryan Patrick Mackin | Extendible Axle Member For The Rear Of An Agricultural Harvester |
US9623919B2 (en) * | 2011-07-13 | 2017-04-18 | Link-Belt Construction Equipment Co., Lllp | Axle arrangement for mobile crane and related methods |
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Also Published As
Publication number | Publication date |
---|---|
IT1236484B (it) | 1993-03-09 |
IT8941767A0 (it) | 1989-12-15 |
DE69018393T2 (de) | 1995-09-21 |
EP0432519B1 (de) | 1995-04-05 |
BR9006371A (pt) | 1991-09-24 |
ATE120701T1 (de) | 1995-04-15 |
JPH04100781A (ja) | 1992-04-02 |
DE69018393D1 (de) | 1995-05-11 |
EP0432519A1 (de) | 1991-06-19 |
IT8941767A1 (it) | 1991-06-15 |
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